Glycyl-L-phenylalanine peptide based Schiff base dual ion selective fluorescent chemosensor: Synthesis, detection of Zn2+ and Al3+, real water sample analysis and DFT study. - Chetia J; Pyngrope H; Kharpan B; Chanda S; Jaiswar A; Pradhan AK; Paul PC (Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2025)